Anti-splash back unit for a urinal screen



FIG. 1 is a top plan view of an anti-splash unit for a urinal screen showing my new design;

FIG. 2 is a side elevational view thereof, the other sides being the same as the side shown; and,

FIG. 3 is a bottom view thereof. 

The ornamental design for an anti-splash back unit for a urinal screen, substantially as shown and described. 